src/third_party/WebKit/LayoutTests/http/tests/eventsource/eventsource-cors-no-server.html

   1 <html>
   2 <body>
   3 <p>Test that EventSource tries to reconnect if there's no server response when making cross-origin requests. Should print a series of PASS messages followed by DONE.</p>
   4 <div id="result"></div>
   5 <script>
   6 function log(msg) {
   7     document.getElementById("result").innerHTML += msg + "<br>";
   8 }
   9
  10 if (window.testRunner) {
  11     testRunner.dumpAsText();
  12     testRunner.waitUntilDone();
  13 }
  14
  15 function end() {
  16     if (window.testRunner)
  17         testRunner.notifyDone();
  18 }
  19
  20 var count = 0;
  21 var hosts = ["http://127.0.0.1:12345/event-stream", "http://localhost:54321/event-stream"];
  22
  23 function create_es() {
  24     try {
  25         var es = new EventSource(hosts[count]);
  26     }
  27     catch (ex) {
  28         log("FAIL: EventSource constructor threw exception: " + ex);
  29         end();
  30         return;
  31     }
  32
  33     es.onerror = function () {
  34         if (es.readyState == es.CONNECTING) {
  35             log("PASS: got error event and readyState is CONNECTING");
  36             es.close();
  37             end();
  38             return;
  39         }
  40
  41         if (es.readyState == es.CLOSED)
  42             log("FAIL: got error event but readyState is CLOSED");
  43
  44         if (++count == hosts.length) {
  45             log("DONE");
  46             end();
  47         }
  48         else
  49             setTimeout(create_es);
  50     };
  51 }
  52 create_es();
  53 </script>
  54 </body>
  55 </html>